:root{--ink:#0f2233;--mut:#5a6b7a;--teal:#0e7c6b;--teal2:#0a5d50;--sky:#eaf4f8;--line:#dce7ec;--gold:#e8a33d;--card:#fff}
*{box-sizing:border-box}body{margin:0;font-family:'Segoe UI',system-ui,-apple-system,Roboto,Arial,sans-serif;color:var(--ink);background:#f6fafb;line-height:1.6}
a{color:var(--teal2)}a:hover{text-decoration:underline}
.wrap{max-width:1120px;margin:0 auto;padding:0 18px}
header.site{background:#0b2a3f;color:#fff;position:sticky;top:0;z-index:50;box-shadow:0 2px 10px rgba(0,0,0,.18)}
header.site .wrap{display:flex;align-items:center;gap:22px;padding-top:12px;padding-bottom:12px;flex-wrap:wrap;position:relative}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:20px;color:#fff;text-decoration:none;letter-spacing:.2px}
.logo svg{border-radius:9px;flex:none}
.logo span{color:var(--gold)}
.footlogo{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.footlogo svg{border-radius:8px;flex:none}
.footlogo .wm{font-weight:800;font-size:17px;color:#fff}
.footlogo .wm span{color:var(--gold)}
nav.main{display:flex;gap:16px;flex-wrap:wrap;margin-left:auto}
nav.main a{color:#d9ecf3;text-decoration:none;font-size:15px;font-weight:600}
nav.main a:hover{color:#fff}
nav.main a:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:4px}
.navtoggle{display:none;background:rgba(255,255,255,.06);border:1.5px solid rgba(255,255,255,.35);border-radius:10px;padding:9px 11px;cursor:pointer;color:#fff;margin-left:auto;line-height:0}
.navtoggle svg{display:block}
.navtoggle .ic-close{display:none}
.navtoggle[aria-expanded="true"] .ic-close{display:block}
.navtoggle[aria-expanded="true"] .ic-open{display:none}
.navtoggle:hover{border-color:var(--gold)}
.navtoggle:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
@media(max-width:1100px){nav.main{gap:12px}nav.main a{font-size:14px}.logo{font-size:18px}}
@media(max-width:900px){
.js header.site .wrap{flex-wrap:nowrap}
.js .navtoggle{display:inline-flex;align-items:center;justify-content:center}
.js nav.main{position:absolute;top:calc(100% + 10px);left:18px;right:18px;flex-direction:column;flex-wrap:nowrap;gap:2px;margin-left:0;background:#0b2a3f;border:1px solid rgba(255,255,255,.16);border-top:3px solid var(--gold);border-radius:14px;box-shadow:0 20px 38px rgba(3,20,32,.45);padding:8px;z-index:60;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .22s ease,transform .22s ease,visibility .22s ease}
.js nav.main.open{opacity:1;visibility:visible;transform:translateY(0)}
.js nav.main a{display:block;padding:13px 14px;font-size:16px;border-radius:9px;color:#eaf4f8}
.js nav.main a:hover{background:rgba(255,255,255,.08);color:#fff;text-decoration:none}
.js nav.main a:focus-visible{outline-offset:-3px}
}
.hero{background:linear-gradient(135deg,#0b2a3f 0%,#0e4a5e 55%,#0e7c6b 130%);color:#fff;padding:46px 0 40px}
.hero h1{font-size:34px;line-height:1.2;margin:0 0 10px}
.hero p.lead{font-size:17px;color:#d7ecf2;max-width:760px;margin:0 0 22px}
.toolbox{background:#fff;color:var(--ink);border-radius:16px;padding:22px;box-shadow:0 14px 34px rgba(0,0,0,.25);max-width:860px}
.toolbox h2{margin:0 0 4px;font-size:20px}
.toolbox p{margin:0 0 14px;color:var(--mut);font-size:14px}
.frow{display:flex;gap:12px;flex-wrap:wrap}
.frow label{flex:1;min-width:180px;font-size:13px;font-weight:700;color:var(--mut);display:block}
select,input[type=number]{width:100%;padding:11px 12px;border:1.5px solid var(--line);border-radius:10px;font-size:16px;margin-top:5px;background:#fff;color:var(--ink)}
.btn{display:inline-block;background:var(--teal);color:#fff;border:none;padding:12px 22px;border-radius:10px;font-size:16px;font-weight:700;cursor:pointer;text-decoration:none}
.btn:hover{background:var(--teal2);text-decoration:none}
.btn.gold{background:var(--gold);color:#231600}.btn.gold:hover{background:#d1912a}
.result{margin-top:16px;border:1.5px solid var(--line);border-radius:12px;padding:16px;background:var(--sky);display:none}
.result.show{display:block}
.result h3{margin:0 0 8px;font-size:17px}
.result table{width:100%;border-collapse:collapse;font-size:15px}
.result td{padding:6px 8px;border-top:1px solid var(--line);vertical-align:top}
.result td.k{font-weight:700;width:170px;color:var(--teal2)}
main .wrap{padding-top:28px;padding-bottom:10px}
section.block{margin:30px 0}
section.block>h2{font-size:24px;margin:0 0 6px}
section.block>p.sub{color:var(--mut);margin:0 0 16px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;display:flex;gap:12px;align-items:flex-start;text-decoration:none;color:var(--ink)}
.card:hover{border-color:var(--teal);box-shadow:0 6px 18px rgba(14,124,107,.12);text-decoration:none}
.card h3{margin:0 0 3px;font-size:17px}
.card p{margin:0;font-size:13.5px;color:var(--mut)}
.chip{border-radius:12px;background:hsl(var(--h),62%,42%);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:800;flex:none;letter-spacing:.5px}
table.data{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:15px}
table.data th{background:#0b2a3f;color:#fff;text-align:left;padding:11px 13px;font-size:14px}
table.data td{padding:10px 13px;border-top:1px solid var(--line);vertical-align:top}
table.data tr:nth-child(even) td{background:#fbfdfd}
.quickbox{background:#fff;border:1.5px solid var(--teal);border-radius:14px;padding:18px 20px;margin:18px 0}
.quickbox h2{margin:0 0 8px;font-size:19px;color:var(--teal2)}
.srcbox{background:#fff8ec;border:1px solid #ecd9ae;border-radius:12px;padding:14px 18px;font-size:14px;margin:22px 0}
.srcbox b{color:#8a6414}
details.faq{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin:8px 0}
details.faq summary{font-weight:700;cursor:pointer}
details.faq p{margin:8px 0 4px;color:#33475a}
.vsgrid{display:grid;grid-template-columns:1fr auto 1fr;gap:14px;align-items:stretch;margin:18px 0}
.vscard{border-radius:16px;padding:20px;color:#fff}
.vscard h2,.vscard h3{margin:0 0 8px;color:#fff}
.vscard p,.vscard li{color:#f2f8fa}
.vsbadge{align-self:center;background:var(--gold);color:#231600;font-weight:900;border-radius:50%;width:56px;height:56px;display:flex;align-items:center;justify-content:center;font-size:19px;box-shadow:0 6px 16px rgba(0,0,0,.25)}
@media(max-width:720px){.vsgrid{grid-template-columns:1fr}.vsbadge{margin:0 auto}}
.pill{display:inline-block;background:var(--sky);border:1px solid var(--line);border-radius:999px;padding:4px 12px;font-size:13px;font-weight:700;color:var(--teal2);margin:0 6px 8px 0}
.stat{display:flex;gap:14px;flex-wrap:wrap;margin:18px 0}
.stat div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 18px;min-width:140px}
.stat b{display:block;font-size:23px;color:var(--teal2)}
.fit-pass{color:#0a7a3d;font-weight:800}.fit-fail{color:#b3261e;font-weight:800}.fit-check{color:#8a6414;font-weight:800}
footer.site{background:#0b2a3f;color:#c8dde6;margin-top:44px;padding:30px 0 36px;font-size:14px}
footer.site a{color:#9fd4c5}
footer.site .cols{display:flex;gap:34px;flex-wrap:wrap}
.crumb{font-size:13.5px;color:var(--mut);margin:4px 0 0}
.crumb a{color:var(--mut)}
h1.page{font-size:31px;line-height:1.25;margin:10px 0 6px}
p.lede{font-size:17px;color:#33475a;max-width:820px}
.tag-updated{font-size:13px;color:var(--mut)}
figure.photo{margin:0 0 8px}
figure.photo img{width:100%;border-radius:14px;display:block}
.photocap{font-size:12.5px;color:var(--mut);margin-top:5px}